RFR: Make sure we have at least one memory pool per memory manager (JMX)

[Roman Kennke]

Am 05.09.2017 um 12:32 schrieb Aleksey Shipilev:
> On 09/05/2017 12:26 PM, Roman Kennke wrote:
>> http://cr.openjdk.java.net/~rkennke/jmxmempools/webrev.01/
> 
> You can probably inline and remove fail() in the test. Otherwise, looks good.

Ok. Pushed with exactly your suggested change.

Roman